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12048231 Rev. 00 (Draft)
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4.33. System-I2C Connectors
Reference Designator:
– J6/J7
1.25mm Pitch Molex PicoBlade wire-to-board header, SMT, straight, 2 circuits
Description
J6/J7 connectors provide I2C_SW bus of the eDM-CB-SM-IPCS board controller STM32 (U1) for internal slave
devices.
Interface used
I2C-SW bus of the STM32 board controller
Power V_3V3_S5; Imax = 10mA
Connector drawing and contact-numbering scheme
Figure 42 Connector
– J6/J7
Pinout according to Data Modul Inhouse-Standard DMIS14
J6,
J7
Pin
Signal / Function
Pin Type
Signal Description
1
GND
GND
Connected to ground potential of the PCB
2
I2C-SW_SCL
IO (CMOS 3.3V)
I2C clock line
3
I2C-SW_SDA
IO (CMOS 3.3V)
I2C data line
4
V_3V3_S5
Power 3.3V (S5)
Power supply for attached device; max. current 10mA